answers graded A+ updated
1. 1. T/F Ozone at ground level ans at Stratosphere FALSE
is a harmful pollutant
2. 2. For determining the Ozone Depletion Poten- CFC-11
tial having been assigned a
factor of 1
3. 3. Ozone layer absorbs and scatters Ultraviolet light
form the sun
4. 4. T/F R-134 is a chlorine-free refrigerant TRUE
5. 5. a refillable refrigerant cylinder must 80%
not be filled above of its full capacity
6. 6. T/F Ester-based synthetic oils can be
FALSE
mixed with oils
7. 7. An award of up to may be paid
$10,000
to a person suppplying information
that leads to a penalty against a
technician who is intentially venting
8. 8. MVAC systems being disposed must be evac- 4
INCHES uated to of mercury before being
scrapped
9. 9. Since it is no longer legal JAN 1ST, 1996
for CFCs to be manufactured or imported
into the United States
10. 10. Since it is illegal to
NOV 15, 1995
vent substitutes for CFC and HCFC
refrigerants
1/
21
,EPA 609 Technician Certification questions and
answers graded A+ updated
11. 11. Each chlorine ion are able to destroy 100,000
ozone molecules
12. 12. Lifetime of CFSs is believed to range 20 TO 100
from
years
13. 13. Ozone molecules consists of THREE
atoms of oxygen
14. 14.Non-condensables in a refrigeration system higher
result in a discharge pressure
15. 15. T/F Ozone depletion increases global warm- TRUE
ing
16. 16. T/F If a technician is already FALSE
trained and certified to handle HFC-
134a
1990
17. 17.The Clean Air Act (CAA) of
di- rects EPA to establish such as that found in buses,
requirements
also require Section
18. 18. Over the road refrigeration units and
R-22 (HCFC) air conditioning cer- tification, 608
19. 19. Moisture level in Recycled R-12(CFC-12) that and intended to be
returned to,
has been directly removed from a mobile air-conditioning system
cannot exceed
PPM by weight, 15
2/
21
, EPA 609 Technician Certification questions and
answers graded A+ updated
20. 20. At high temperature CFC-12 can decompose hydrochloric or
hydrofluoric acid
to form
21. 21. T/F Refrigerants are light than air FALSE
3/
21